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Windows 7: BSOD playing Call of duty: Modern Warfare & Modern Warfare 2

Hello guys, i got a BSOD, got it many times in a row, i think it's my ATI drivers, but i'm not sure, could you check it and tell me how to fix?

It's just restarting after a while of playing, after that it's turning on telling me that windows recovered from an unexpected shutdown, after it dumped all of the memory i can't turn it on for like 10 minutes, if i try to turn it on then it imediately turns off again. After waiting ~10 minutes it can be turned on again.

Installing Windows 7 Service Pack 1
1. Visit the PC manufacturer's website and update ALL drivers. DO NOT use Windows Update or the "Update drivers" function of Device Manager.
2. Check Device Manager for any unknown/disabled devices - if there are unknown/disabled devices, fix them with the latest drivers from the device manufacturer's website (not the PC Manufacturer)
3. Visit Windows Update and get all updates
4. Visit Windows Update and get Service Pack 1 (usually under Important Updates). Read these notes for installing SP1: Steps to follow before you install Windows 7 SP1 and Windows Server 2008 R2 SP1 from the Microsoft Download Center
5. Visit Windows Update and get any other available updates

Older versions of Samsung KIES are known to cause BSOD's. Please ensure that you update this to the latest available version from the Samsung website

Daemon Tools (and Alcohol % software) are known to cause BSOD's on Win7 systems due to the sptd.sys driver.
Please uninstall the program, then use the following free tool to ensure that the troublesome sptd.sys driver is removed from your system (pick the 32 or 64 bit system depending on your system's configuration): DuplexSecure - FAQ

If this doesn't fix things, please run the Memory, Hard Drive, and Anti-Malware scans from here: Hardware Diags

A new problem occured, i was playing modern warfare again and after like 20 min of gameplay my pc suddenly turned off(like i had a bluescreen), except that this time when i turned it back on there was no bluescreen, it got straight away to the login screen.

Call of Duty: 4 Modern WarfareHey guys i have completed my setup but when tried to open the single player file i get this message :(
miles\mssmps.asi is either not designed to run on windows or it contains an error.Try installing again ......
miles\mssvoice.asi is either not designed to run on windows or it contains an...

Call of Duty Modern Warfare 4I have Windows 7, 64-bit, but can't install CoD4. I've looked around and some people have said they can play it on theirs, but I can't figure out how to install it still. Do I need to download an upgrade or a patch? Any help would be great! Thanks!
CC